| Ratings | ||
|---|---|---|
| Rank | 1 | |
| Conf | Big Ten | |
| W-L | 15-0 | |
| Off | 90 | |
| Def | 121 | |

| Date | Opponent | Expected | Outcome | Location | Record |
|---|---|---|---|---|---|
| Sat Sep 28 |
USC 13
|
L by 13.5 | L 38-21 | Away | 2-2 |
| Sat Sep 14 |
Alabama 4
|
L by 14.5 | L 42-10 | Home | 2-1 |
| Sat Sep 7 |
South Dakota
|
W by 19.5 | W 27-13 | Home | 2-0 |
| Fri Aug 30 |
Western Michigan
|
W by 24 | W 28-14 | Home | 1-0 |
| Mon Jan 1 |
LSU 13
|
L by 9.5 | L 35-31 | Neutral | 7-6 |
| Sat Nov 25 |
Minnesota
|
W by 3 | W 28-14 | Away | 7-5 |
| Sat Nov 18 |
Nebraska
|
W by 7 | W 24-17 | Home | 6-5 |
| Sat Nov 11 |
Northwestern
|
W by 12.5 | L 24-10 | Home | 5-5 |
| Sat Nov 4 |
Indiana
|
W by 7.5 | L 20-14 | Away | 5-4 |
| Sat Oct 28 |
Ohio State 3
|
L by 14.5 | L 24-10 | Home | 5-3 |
| Sat Oct 21 |
Illinois
|
W by 3 | W 25-21 | Away | 5-2 |
| Sat Oct 14 |
Iowa
|
W by 8.5 | L 15-6 | Home | 4-2 |
| Sat Oct 7 |
Rutgers
|
W by 12.5 | W 24-13 | Home | 4-1 |
| Fri Sep 22 |
Purdue
|
W by 6 | W 38-17 | Away | 3-1 |
| Sat Sep 16 |
Georgia Southern
|
W by 20.5 | W 35-14 | Home | 2-1 |
| Sat Sep 9 |
Washington State
|
W by 5.5 | L 31-22 | Away | 1-1 |
| Sat Sep 2 |
Buffalo
|
W by 28.5 | W 38-17 | Home | 1-0 |
| Tue Dec 27 |
Oklahoma State
|
L by 5 | W 24-17 | Neutral | 7-6 |
| Sat Nov 26 |
Minnesota
|
W by 3 | L 23-16 | Home | 6-6 |
| Sat Nov 19 |
Nebraska
|
W by 10 | W 15-14 | Away | 6-5 |